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Application filed by Telefunken GmbhfiledCriticalTelefunken Gmbh
Publication of CH219819ApublicationCriticalpatent/CH219819A/de
H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
H03G9/10—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression
CH219819D1940-01-261941-01-08Empfänger mit selbsttätiger niederfrequenter Bandbreiteregelung.
CH219819A
(de)